123703207 has 4 divisors (see below), whose sum is σ = 124677376. Its totient is φ = 122729040.

The previous prime is 123703199. The next prime is 123703211. The reversal of 123703207 is 702307321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123703207 - 2³ = 123703199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123703297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486894 + ... + 487147.

It is an arithmetic number, because the mean of its divisors is an integer number (31169344).

Almost surely, 2^123703207 is an apocalyptic number.

123703207 is a deficient number, since it is larger than the sum of its proper divisors (974169).

123703207 is an equidigital number, since it uses as much as digits as its factorization.

123703207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974168.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 123703207 is about 11122.1943428444. The cubic root of 123703207 is about 498.2649286863.

The spelling of 123703207 in words is "one hundred twenty-three million, seven hundred three thousand, two hundred seven".